BTRFS info (device loop2 state EA): last unmount of filesystem 395ef67a-297e-477c-816d-cd80a5b93e5d ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6451 at fs/btrfs/space-info.h:255 btrfs_space_info_update_bytes_may_use+0x354/0x734 Modules linked in: CPU: 0 UID: 0 PID: 6451 Comm: syz-executor Not tainted 6.14.0-rc7-syzkaller-ga2392f333575 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : btrfs_space_info_update_bytes_may_use+0x354/0x734 lr : btrfs_space_info_update_bytes_may_use+0x350/0x734 sp : ffff8000a1c17820 x29: ffff8000a1c17840 x28: 1fffe0001b31550d x27: dfff800000000000 x26: ffff80008fbbd608 x25: 0000000000000001 x24: ffff0000c2d71e90 x23: 0000000000000005 x22: 00000000000ff000 x21: 0000000000100000 x20: ffff0000d98aa868 x19: 0000000000000000 x18: 1fffe000366f1886 x17: ffff80008fbbd000 x16: ffff8000832b7b9c x15: ffff700014382efc x14: 1ffff00014382efc x13: 0000000000000004 x12: ffffffffffffffff x11: ffff700014382efc x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000c2d71e80 x7 : ffff80008265eec8 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800080482a7c x2 : 0000000000000001 x1 : 0000000000100000 x0 : 00000000000ff000 Call trace: btrfs_space_info_update_bytes_may_use+0x354/0x734 (P) btrfs_space_info_free_bytes_may_use fs/btrfs/space-info.h:287 [inline] block_rsv_release_bytes fs/btrfs/block-rsv.c:153 [inline] btrfs_block_rsv_release+0x3fc/0x4e4 fs/btrfs/block-rsv.c:292 btrfs_release_global_block_rsv+0x38/0x22c fs/btrfs/block-rsv.c:446 btrfs_free_block_groups+0xa88/0xe4c fs/btrfs/block-group.c:4464 close_ctree+0x644/0xb60 fs/btrfs/disk-io.c:4458 btrfs_put_super+0x70/0x80 fs/btrfs/super.c:74 generic_shutdown_super+0x12c/0x2bc fs/super.c:642 kill_anon_super+0x4c/0x7c fs/super.c:1237 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2100 deactivate_locked_super+0xc4/0x12c fs/super.c:473 deactivate_super+0xe0/0x100 fs/super.c:506 cleanup_mnt+0x34c/0x3dc fs/namespace.c:1413 __cleanup_mnt+0x20/0x30 fs/namespace.c:1420 task_work_run+0x230/0x2e0 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x178/0x1f4 arch/arm64/kernel/entry-common.c:151 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline] el0_svc+0xac/0x168 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 irq event stamp: 1216308 hardirqs last enabled at (1216307): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234 hardirqs last disabled at (1216308): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488 softirqs last enabled at (1214670): [] softirq_handle_end kernel/softirq.c:407 [inline] softirqs last enabled at (1214670): [] handle_softirqs+0xb44/0xd34 kernel/softirq.c:589 softirqs last disabled at (1214507): [] __do_softirq+0x14/0x20 kernel/softirq.c:595 ---[ end trace 0000000000000000 ]---